code: def _build_report(self):
      tensor_a = torch.tensor([[1, 2, 3, 4], [2, 3, 4, 5]])
      sample_list = SampleList()
      sample_list.add_field("a", tensor_a)
      model_output = {"scores": torch.rand(2, 2)}
  
      report = Report(sample_list, model_output)
      return report
  
file_path: mmf/tests/common/test_report.py
imports: import unittest
  import tests.test_utils
  import torch
  from mmf.common.report import Report
  from mmf.common.sample import SampleList
label_desc: Use image node_id 1 for calling the TestReport obj's underlying member method code with example usage: obj._build_report() and returns: report